224259388 has 12 divisors (see below), whose sum is σ = 393842680. Its totient is φ = 111732912.

The previous prime is 224259353. The next prime is 224259389. The reversal of 224259388 is 883952422.

It is a super-2 number, since 2×224259388² = 100584546212269088, which contains 22 as substring.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224259389) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97923 + ... + 100186.

Almost surely, 2^224259388 is an apocalyptic number.

It is an amenable number.

224259388 is a deficient number, since it is larger than the sum of its proper divisors (169583292).

224259388 is a wasteful number, since it uses less digits than its factorization.

224259388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198396 (or 198394 counting only the distinct ones).

The product of its digits is 276480, while the sum is 43.

The square root of 224259388 is about 14975.2925847878. The cubic root of 224259388 is about 607.5521250018.

It can be divided in two parts, 22425 and 9388, that added together give a palindrome (31813).

The spelling of 224259388 in words is "two hundred twenty-four million, two hundred fifty-nine thousand, three hundred eighty-eight".